TY  - BOOK
AU  - Bogolyubov, S. K.
AU  - Levant, Leonic
TI  - EXERCISES IN MACHINE DRAWING
U1  - 604.24 
PY  - 1975///
CY  - Moscow
PB  - Mir Pub.
KW  - Machinery -- Drawing
KW  - Mechanical Drawing
N1  - Translation Of Zadachnik Po Chercheniyu
ER  -